Home / 18,788.46-25,928.10-10,174.72

Finding the Fourth Proportional to 18,788.46, 25,928.10 and 10,174.72

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Solution

The fourth proportional to 18,788.46, 25,928.10 and 10,174.72 is: 14,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.46 : 25,928.10 = 10,174.72 : x
  2. Step 2: Convert to fraction form
    18,788.46/25,928.10 = 10,174.72/x
  3. Step 3: Cross multiply
    18,788.46x = 25,928.10 × 10,174.72
  4. Step 4: Simplify right side
    18,788.46x = 263,811,157.63
  5. Step 5: Solve for x
    x = 263,811,157.63/18,788.46
  6. Step 6: Final answer
    x = 14,041.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.